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LM2672MX-3.3 from NS,National Semiconductor

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LM2672MX-3.3

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2672MX-3.3,LM2672MX33 NS 7680 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features The LM2672MX-3.3 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +125°C  
- **Features:**  
  - Simple and easy-to-use design  
  - Requires minimal external components  
  - Internal soft-start  
  - Thermal shutdown protection  
  - Current limiting protection  

### **Descriptions:**  
The LM2672MX-3.3 is a monolithic integrated circuit that provides all necessary functions for a step-down (buck) switching regulator. It is optimized for high efficiency and low external component count, making it suitable for various power supply applications.  

### **Features:**  
- **Fixed Output Voltage:** 3.3V (±2% tolerance)  
- **High Efficiency:** Reduces power dissipation  
- **Wide Input Voltage Range:** 8V to 40V  
- **Internal NPN Switch:** Handles up to 1A load current  
- **Low Power Standby Mode:** <50µA shutdown current  
- **Frequency Compensation:** Built-in for stability  
- **Protection Features:** Overcurrent and thermal shutdown  

This regulator is commonly used in industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

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